Changed an old loadEx test to use load.

src/ZODB/tests/testDemoStorage.py

@@ -57,12 +57,12 @@ class DemoStorageTests(StorageTestBase.StorageTestBase,
     def checkPackVersionsInPast(self):
         pass
 
-    def checkLoadExDelegation(self):
+    def checkLoadDelegation(self):
         # Minimal test of loadEX w/o version -- ironically
         db = DB(self._storage) # creates object 0. :)
         s2 = ZODB.DemoStorage.DemoStorage(base=self._storage)
-        self.assertEqual(s2.loadEx(ZODB.utils.z64, ''),
-                         self._storage.loadEx(ZODB.utils.z64, ''))
+        self.assertEqual(s2.load(ZODB.utils.z64, ''),
+                         self._storage.load(ZODB.utils.z64, ''))
 
 
 class DemoStorageWrappedBase(DemoStorageTests):